Definition
The process by which a pilot becomes proficient with a specific GPS receiver before using it for navigation in flight, including learning its controls, display pages, data entry methods, flight plan handling, and approach procedures as documented in the manufacturer's operating manual and any aircraft-specific supplement.
Plain English
Learning how your particular GPS unit works -- which buttons to press, how to load a route, and how it behaves -- so you can use it confidently in the air rather than figuring it out on the way.
Context Anchor
Seen in instrument training and avionics discussions, especially before using GPS for navigation, approaches, or flight plan changes.
Derivation
Familiarization comes from the Latin familia, meaning household or family -- something well known to you. To familiarize yourself with a device is to make it as known to you as something in your own home.
Why Pilots Care
Thorough GPS familiarization reduces navigation errors and supports reliable decision-making during IFR enroute and approach phases.
Intuition Check
Do not read familiarization as casual awareness. Here it means practical, usable knowledge of the GPS unit’s controls, displays, procedures, and limits.
Example Sentence 1
Before flying the new aircraft on an IFR cross-country, she completed GPS familiarization on the installed unit using the manufacturer's tutorial.
Example Sentence 2
Before an IFR cross-country, the pilot performed GPS familiarization to confirm the receiver's database currency and approach capabilities.